diff options
| author | Ben Greear <greearb@candelatech.com> | 2014-04-30 12:02:05 -0700 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-05-06 14:51:01 -0400 |
| commit | 76c939832aa95f6e0e84f173b36906eea2235cee (patch) | |
| tree | d237717adec6e2600f1ab0715d95203ea84b4bc3 /drivers/net/wireless/ath/ath9k/recv.c | |
| parent | 68b422db3d93878c71200c27e2bffd1c57f72974 (diff) | |
ath9k: Prevent divide-by-zero upon bad beacon_interval.
A similar patch fixed crashes seen on an ath9k system
when testing against a broken ath10k AP. This patch
is slightly less protective, but probably will do the
job and is less redundant.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/recv.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/recv.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index a01efd3e741e..a1fac6bdbb04 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -538,8 +538,8 @@ static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb) sc->ps_flags &= ~PS_BEACON_SYNC; ath_dbg(common, PS, "Reconfigure beacon timers based on synchronized timestamp\n"); - ath9k_set_beacon(sc); - + if (!(WARN_ON_ONCE(sc->cur_beacon_conf.beacon_interval == 0))) + ath9k_set_beacon(sc); if (sc->p2p_ps_vif) ath9k_update_p2p_ps(sc, sc->p2p_ps_vif->vif); } |